It would make checks and balances obsolete; one branch (lets take legislative) would be able to do whatever it sees fit without the other two branches balancing out the power. if most of the power shifted to one then the other two cant stop its decisions.
Bison but are you taking about the Native Americans or the settlers, but I think the answer is the same for both
Smart
and good sells men maybe
C)"We cannot fail their trust, we cannot can fail to try."